Not too far from the Sant’Agostino complex, on Via San Marco, is the former convent of Santa Marta, earlier the home of Augustinian nuns. The convent was founded in 1329 by Milla de’ Conti d’Elci, a member of one of the richest and most powerful families in Siena, who after her husband’s death devoted her efforts to building a convent dedicated to Saint Martha. The deed of foundation, a . . .